12-th episode of 1-th season "Cities of the Underworld"

What "Cities of the Underworld" 12-th episode about

4000 years ago, a mysterious pagan society called the Hittites dug deep into the soft volcanic rock to carve out an intricate underworld. But after almost 800 years of rule, the Hittite Empire vanished without a trace. Where did their people go and what clues have they left behind in their complex subterranean world?

Episode number: 12

Episode name: "Secret Pagan Underground"

Episode release date: 17 july 2007 at 01:00

Status: aired